25082789 has 2 divisors, whose sum is σ = 25082790. Its totient is φ = 25082788.

The previous prime is 25082779. The next prime is 25082807. The reversal of 25082789 is 98728052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17056900 + 8025889 = 4130^2 + 2833^2 .

It is a cyclic number.

It is not a de Polignac number, because 25082789 - 2¹⁶ = 25017253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25082779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12541394 + 12541395.

It is an arithmetic number, because the mean of its divisors is an integer number (12541395).

Almost surely, 2^25082789 is an apocalyptic number.

It is an amenable number.

25082789 is a deficient number, since it is larger than the sum of its proper divisors (1).

25082789 is an equidigital number, since it uses as much as digits as its factorization.

25082789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 25082789 is about 5008.2720573068. The cubic root of 25082789 is about 292.7241868588.

The spelling of 25082789 in words is "twenty-five million, eighty-two thousand, seven hundred eighty-nine".